Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Adjective: lustreless  lús-tu(r)-lus
Usage: Brit, Cdn (US: lusterless)
  1. Lacking lustre or shine
    "staring with lustreless eyes";
    - lackluster [US], lacklustre [Brit, Cdn], lusterless [N. Amer]
     
  2. Lacking brilliance or vitality
    "a dull lustreless life";
    - lackluster [US], lacklustre [Brit, Cdn], lusterless [N. Amer]

See also: dull, hebetudinous [rare]